Tools for a more open agent web.

The directory of tools for agents

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Aether

x402-bazaar
Use case: other
Protocols: APIx402
Pricing: 0.001 USDC / call (eip155:8453)

Current gas price on Base in gwei: base fee, suggested priority fee and max fee per gas, read live from the chain

Listing info 80/100
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Aether

x402-bazaar
Use case: data · media
Protocols: APIx402
Pricing: 0.005 USDC / call (eip155:8453)

NFT metadata on Base for an ERC-721 or ERC-1155 token: token URI plus the name, image and attributes it points to, resolved from IPFS, Arweave…

Listing info 80/100
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Aether

x402-bazaar
Use case: other
Protocols: APIx402
Pricing: 0.003 USDC / call (eip155:8453)

Base transaction lookup by hash: sender, recipient, value, function selector, block, and whether it succeeded or reverted

Listing info 80/100
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Aether

x402-bazaar
Use case: other
Protocols: APIx402
Pricing: 0.01 USDC / call (eip155:8453)

Is this Base token safe to buy, or a honeypot, rug pull or scam? Simulates a real buy and sell to prove the token can be sold and to measure b…

Listing info 80/100
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Aether

x402-bazaar
Use case: finance
Protocols: APIx402
Pricing: 0.004 USDC / call (eip155:8453)

Wallet portfolio value on Base: ETH plus major tokens (or up to 20 tokens you choose), each holding priced in USD from live DEX prices, with t…

Listing info 80/100
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Aether

x402-bazaar
Use case: data
Protocols: APIx402
Pricing: 0.002 USDC / call (eip155:8453)

Estimate the gas and the cost in ETH and USD of a Base transaction before signing it. Input: to, and optionally from, data and value

Listing info 80/100
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Aether

x402-bazaar
Use case: finance · security
Protocols: APIx402
Pricing: 0.01 USDC / call (eip155:8453)

x402 endpoint audit: can a paying agent actually pay this API? Probes any x402 URL and validates its 402 payment requirements (CAIP-2 network,…

Listing info 80/100
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Use case: other
Protocols: A2A
Pricing: Price not supplied by publisher

Machine relationship discovery and need-to-helper mapping. This A2A 1.0 JSON-RPC interface supports SendMessage for public, non-persisting gui…

Listing info 50/100
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Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

Machine-native relationship mesh for discovery, help, evidence, and earned trust.

Listing info 60/100
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Use case: finance
Protocols: MCP
Pricing: Price not supplied by publisher

Testnet wallet for AI agents on Aether: pay, get paid and buy from paid APIs, with spending caps.

Listing info 75/100
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Use case: other
Protocols: MCP
Pricing: Price not supplied by publisher

WCAG 2.1 AA accessibility scanner (Playwright + axe-core) with grounded, browser-verified fixes.

Listing info 75/100
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